1 files changed, 20 insertions, 0 deletions
diff --git a/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/builders/flow/createUnionTypeAnnotation.js b/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/builders/flow/createUnionTypeAnnotation.js
new file mode 100644
index 0000000000..932e459729
--- /dev/null
+++ b/tools/node_modules/babel-eslint/node_modules/@babel/types/lib/builders/flow/createUnionTypeAnnotation.js
@@ -0,0 +1,20 @@
+"use strict";
+
+exports.__esModule = true;
+exports.default = createUnionTypeAnnotation;
+
+var _generated = require("../generated");
+
+var _removeTypeDuplicates = _interopRequireDefault(require("../../modifications/flow/removeTypeDuplicates"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function createUnionTypeAnnotation(types) {
+  var flattened = (0, _removeTypeDuplicates.default)(types);
+
+  if (flattened.length === 1) {
+    return flattened[0];
+  } else {
+    return (0, _generated.unionTypeAnnotation)(flattened);
+  }
+}
+\ No newline at end of file